No Battery NeededWith the upgraded charging base design, the electric pepper grinder will charge by connecting the Type-C USB cable to the base, which will store power for 2pieces pepper mill grinders. No need to purchase additional batteries, we can charge the grinder anytime. One Hand OperationThe rechargeable pepper grinder can be ground by pressing or closing the press button, to start or stop the grinding. Simple steps can grind the spice we need. Compared with the traditional hand grinding machine, it is easier and faster to grind the seasonings we need. Adjustable CoarsenessThere is an adjustable grinder knob on the bottom of the salt and pepper mill that we can adjust the knob to get the suitable roughness. Rotating clockwise to fine particles, rotating anticlockwise to coarse particles. Easily adjust, we can enjoy fresh salt or pepper anytime, anywhere. Widely ApplicationSuitable to grind salt, pepper and other spices. The spice grinder electric is widely used for salt, pepper, cloves, herbs and spice mixes. This kitchen accessories is the ideal choice for our kitchen cooking, outdoor barbecue, and restaurant cooking. Modern Style DesignAdvanced matte black appearance, transparent filling lid, we can clearly see the types and quantity of spices. While grinding, the LED lights will automatically turn on, you can accurately see the falling place of the spice.